018
FXUS65 KBYZ 302124
AFDBYZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
224 PM MST MON NOV 30 2020
DISCUSSION
TONIGHT THROUGH WEDNESDAY NIGHT...
WINDS AROUND LIVINGSTON HAVE PEAKED AS HIGH AS 57 MPH LATE THIS
MORNING, HOWEVER THE PRESSURE GRAIDENT SHOULD BE BACKING OFF SOME
THIS AFTERNOON. THIS WILL BE IN RESPONSE TO A SPLITTING SHORTWAVE
THAT IS STARTING TO MOVE INTO THE WESTERN PART OF THE STATE THIS
AFTERNOON. THIS WILL BRING A FEW INCHES OF SNOW TO THE MOUNTAINS
AND SOME LIGHT ACCUMULATIONS TO THE WESTERN ZONES. TOWARDS
MIDNIGHT AS THE PRESSURE GRADIENT BECOMES MORE EAST/WEST, THE AREA
AROUND HARLOWTON COULD SEE WIND GUSTS TO AROUND 50 MPH. AS A 700
MBAR JET START TO WORK IN BEHIND THE WAVE, GUSTY WINDS WILL
DEVELOP ACROSS THE AREA TOMORROW. EXPECTING WINDSPREAD GUSTS OF 30
TO 40 MPH.
THE NORTHERN SPLIT IN THE FLOW WILL MOVE LONG THE
MONTANA/DAKOTAS STATELINE TOMORROW EVENING AND OVERNIGHT WHICH
WILL BRING ANOTHER SHOT FOR SOME LIGHT SNOW MAINLY IN SOUTHEASTERN
MONTANA AND DOWN INTO SHERIDAN COUNTY. AMOUNTS STILL GENERALLY
LOOK LIGHT. WENDESDAY SHOULD BE MUCH CLOSER NORMAL, BUT COOLER
THAN WE HAVE BEEN, WITH HIGHS IN THE 30S. REIMER
THURSDAY THROUGH MONDAY...
A REX BLOCK PATTERN LOOKS TO DEVELOP OVER WESTERN NORTH AMERICA
EARLY THURSDAY AND PERSIST INTO MONDAY WITH AN UPPER HIGH OVER
THE PACIFIC NORTHWEST AND AN UPPER LOW OVER THE SOUTHWEST-SOUTH
CENTRAL US. THIS BLOCKING PATTERN MEANS THAT THE WEATHER WILL
CHANGE LITTLE IF ANY FROM THURSDAY THROUGH MONDAY. THIS STEADY
PATTERN WILL GIVE OUR REGION DRY AND MILD CONDITIONS THROUGH THE
PERIOD. IT WILL BE BREEZY AT TIMES, ESPECIALLY ON FRIDAY AS A WEAK
COLD FRONT MOVES THROUGH THE AREA.
HIGH TEMPERATURES WILL BE ABOVE NORMAL THROUGH THE PERIOD...IN
THE 40S THURSDAY, AND 40S TO LOWER 50S FRIDAY THROUGH MONDAY. RMS
AVIATION
VFR CONDITIONS WILL PREVAIL MUCH OF TONIGHT. WINDS GUSTING TO
45KTS CAN BE EXPECTED ALONG THE WESTERN FOOTHILLS (KLVM, K3HT,
K6S0) THIS EVENING, WITH GUSTS TO 25 KTS AS FAR EAST AS KBIL. LLWS
IS EXPECTED OVER THE REGION TONIGHT. A FEW LIGHT SNOW SHOWERS
WILL DEVELOP THIS EVENING OVER WESTERN MOUNTAINS AND FOOTHILLS,
CREATING OCCASIONAL MOUNTAIN OBSCURATION INTO TUESDAY. A COLD
FRONT WILL CROSS THE REGION OVERNIGHT INTO TUESDAY AND BRING SNOW
SHOWERS TO THE LOWER ELEVATIONS AND A SHIFT TO NORTHWESTERLY
WINDS. MVFR CONDITIONS ARE POSSIBLE LATE TONIGHT INTO TUESDAY OVER
SOUTH CENTRAL MT AND NORTH CENTRAL WY. CHAMBERS/RMS
PRELIMINARY POINT TEMP/POPS
TUE WED THU FRI SAT SUN MON
-----------------------------------------------------------
BIL 033/040 022/035 020/044 027/049 027/050 028/051 028/050
12/S 00/U 00/U 00/U 00/U 00/U 00/U
LVM 029/036 018/037 017/045 022/048 025/051 027/051 026/048
31/N 00/U 00/U 00/U 00/U 00/U 00/U
HDN 030/041 019/035 014/045 019/050 020/050 021/051 022/050
13/S 11/B 00/U 00/U 00/U 00/U 00/U
MLS 029/038 020/032 015/041 020/045 021/045 021/046 024/045
02/S 10/B 00/U 00/U 00/U 00/U 00/U
4BQ 027/037 020/030 014/042 022/049 023/048 023/049 024/048
12/S 21/B 00/U 00/U 00/U 00/U 00/U
BHK 026/035 017/030 014/039 020/044 021/044 021/045 022/043
02/S 20/B 00/U 00/U 00/U 00/U 00/U
SHR 026/037 016/032 011/045 018/050 020/051 022/052 022/050
35/S 12/S 00/U 00/U 00/U 00/U 00/U
BYZ WATCHES/WARNINGS/ADVISORIES
MT...NONE.
WY...NONE.
WEATHER.GOV/BILLINGS
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